Patents by Inventor Sundeep Dugar

Sundeep Dugar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090239854
    Abstract: This disclosure relates to new tetracyclic compounds that may be used to modulate a histamine receptor in an individual. The compounds in one embodiment are tetracyclic [4,3-b]indoles. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: October 27, 2008
    Publication date: September 24, 2009
    Inventors: David T. HUNG, Andrew A. PROTTER, Rajendra P. JAIN, Sundeep DUGAR, Sarvajit CHAKRAVARTY, Sergey O. BACHURIN, Anatoly K. USTINOV, Bogdan K. BEZNOSKO, Elena F. SHEVTSOVA, Vladimir V. GRIGORIEV, Nadezhda Sergeevna Beznosko
  • Patent number: 7488744
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds comprising a phenyl or thienyl coupled through a piperidine or piperazine nucleus to an indole residue wherein the indole residue mandatorily has a substituent on the ring nitrogen which is an amino or substituted amino group.
    Type: Grant
    Filed: May 22, 2007
    Date of Patent: February 10, 2009
    Assignee: Scios, Inc.
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, Qing Lu, Gregory R. Luedtke, Babu J. Mavunkel, John J. Perumattam, Richard Tester
  • Patent number: 7393851
    Abstract: The invention is directed to methods to inhibit p38 kinase, preferably p38-? using compounds which are azaindoles wherein the azaindoles are coupled through a piperidine or piperazine type linker to another cyclic moiety.
    Type: Grant
    Filed: October 9, 2003
    Date of Patent: July 1, 2008
    Assignee: Scios, Inc.
    Inventor: Sundeep Dugar
  • Patent number: 7345045
    Abstract: The invention is directed to methods to inhibit TGF-? and/or p38-? kinase using compounds of the formula or the pharmaceutically acceptable salts thereof wherein R3 is a noninterfering substituent; each Z is CR2 or N, wherein no more than two Z positions in ring A are N, and wherein two adjacent Z positions in ring A cannot be N; each R2 is independently a noninterfering substituent; L is a linker; n is 0 or 1; and Ar? is the residue of a cyclic aliphatic, cyclic heteroaliphatic, aromatic or heteroaromatic moiety optionally substituted with 1-3 noninterfering substituents.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: March 18, 2008
    Assignee: Scios, Inc.
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, John J. Perumattam, George F. Schreiner, David Y. Liu, John A. Lewicki
  • Publication number: 20080039461
    Abstract: The present invention relates to methods for the prevention or treatment of pain by the inhibition of p38 MAP kinase.
    Type: Application
    Filed: December 28, 2006
    Publication date: February 14, 2008
    Inventors: Andrew Protter, Camilla Svensson, Tony Yaksh, Barbara Cordell, Sundeep Dugar
  • Publication number: 20070293500
    Abstract: Quinazoline derivatives and their pharmaceutically acceptable salts are inhibitors of TGF? activity and are used to treat conditions characterized by enhanced TGF? activity.
    Type: Application
    Filed: June 19, 2007
    Publication date: December 20, 2007
    Inventors: Sundeep DUGAR, Sarvajit Chakravarty, Alison Murphy, Glenn McEnroe, Aurelia Conte, John Perumattam
  • Patent number: 7304048
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds containing an aromatic system coupled through a 7-membered heterocycle to an indole-type system.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: December 4, 2007
    Assignee: Scios, Inc.
    Inventors: Babu J. Mavunkel, Sarvajit Chakravarty, John J. Perumattam, Sundeep Dugar, Qing Lu, Xi Liang
  • Patent number: 7291613
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds comprising saturated heterocycles coupled to a fused ring system.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: November 6, 2007
    Assignee: Scios, Inc.
    Inventors: Sundeep Dugar, John Perumattam, Gregory Luedtke, Xuefei Tan, Qing Lu
  • Publication number: 20070232617
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds comprising a phenyl or thienyl coupled through a piperidine or piperazine nucleus to an indole residue wherein the indole residue mandatorily has a substituent on the ring nitrogen which is an amino or substituted amino group.
    Type: Application
    Filed: May 22, 2007
    Publication date: October 4, 2007
    Applicant: Scios, Inc.
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, Qing Lu, Gregory Luedtke, Babu Mavunkel, John Perumattam, Richard Tester
  • Publication number: 20070185112
    Abstract: Piperazine compounds and methods for treating conditions mediated by p38-? kinase are disclosed.
    Type: Application
    Filed: March 19, 2007
    Publication date: August 9, 2007
    Inventors: Babu Mavunkel, Sundeep Dugar, Gregory Luedtke, Glenn McEnroe, Xuefei Tan
  • Publication number: 20070161649
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds of the formula and the pharmaceutically acceptable salts thereof, or a pharmaceutical composition thereof, wherein represents a single or double bond; one Z2 is CA or CR8A and the other is CR1, CR12, NR6 or N wherein each R1, R6 and R8 is independently hydrogen or noninterfering substituent; A is —Wi—COXjY wherein Y is COR2 or an isostere thereof and R2 is hydrogen or a noninterfering substituent, each of W and X is a spacer of 2-6 ?, and each of i and j is independently 0 or 1; Z3 is NR7 or O; each R3 is independently a noninterfering substituent; n is 0-3; each of L1 and L2 is a linker; each R4 is independently a noninterfering substituent; m is 0-4; Z1 is CR5 or N wherein R5 is hydrogen or a noninterfering substituent; each of 1 and k is an integer from 0-2 wherein the sum of 1 and k is 0-3; Ar is an aryl group substituted with 0-5 noninterfering substituents, wherein two noninterfering substituents can form a fused
    Type: Application
    Filed: March 21, 2007
    Publication date: July 12, 2007
    Inventors: Babu Mavunkel, Sarvajit Chakravarty, John Perumattam, Sundeep Dugar, Qing Lu, Xi Liang
  • Patent number: 7238712
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds of the formula and the pharmaceutically acceptable salts thereof, or a pharmaceutical composition thereof, wherein represents a single or double bond; one Z2 is CA or CR8A and the other is CR1, CR12, NR6 or N wherein each R1, R6 and R8 is independently hydrogen or noninterfering substituent; A is —Wi—COXjY wherein Y is COR2 or an isostere thereof and R2 is hydrogen or a noninterfering substituent, each of W and X is a spacer of 2–6 ?, and each of i and j is independently 0 or 1; Z3 is NR7 or O; each R3 is independently a noninterfering substituent; n is 0–3; each of L1 and L2 is a linker; each R4 is independently a noninterfering substituent; m is 0–4; Z1 is CR5 or N wherein R5 is hydrogen or a noninterfering substituent; each of l and k is an integer from 0–2 wherein the sum of l and k is 0–3; Ar is an aryl group substituted with 0–5 noninterfering substituents, wherein two noninterfering substituents can form a fused ring; a
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: July 3, 2007
    Assignee: Scios, Inc.
    Inventors: Babu J. Mavunkel, Sarvajit Chakravarty, John J. Perumattam, Sundeep Dugar, Qing Lu, Xi Liang
  • Patent number: 7232824
    Abstract: Quinazoline derivatives have the formula: or the pharmaceutically acceptable salts thereof; wherein each of Z5, Z6, Z7 and Z8 is N or CH and wherein one or two Z5, Z6, Z7 and Z8 are N and wherein two adjacent Z positions cannot be N; wherein m and n are each independently 0–3; wherein R1 is independently OH, SH, NH2, OR, SR, NHR, halo or R-halide; wherein two adjacent R1 groups may be joined to form an aliphatic hetero cycle ring of 5–6 members; wherein R2 is independently R, halo, R-halide, OR-halide, NH2, CONH2 or CONHR; wherein R is optionally substituted C1–C12 alkyl, C1–C12 alkenyl, C1–C12 alkynyl, or aryl C1–C12 alkyl, containing 0–4 heteroatoms in place of a carbon in the carbon backbone, where the optional substituents are ?O, ?N, or OH; and wherein R3 is H or CH3. Such compounds are useful in pharmaceutical compositions and methods of treating conditions characterized by enhanced TGF? activity.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: June 19, 2007
    Assignee: Scios, Inc.
    Inventors: Sundeep Dugar, Sarvajit Chakravarty, Alison Murphy, Glenn McEnroe, Aurelia Conte, John J. Perumattam
  • Patent number: 7223766
    Abstract: Compounds in which a pyrimidine nucleus is bridged at the 5 and 6 position and are further substituted at positions 2 and 4 with substituents comprising aromatic moieties are useful in treating subjects with rheumatoid arthritis ameliorated by inhibition of TGF? activity.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: May 29, 2007
    Assignee: Scios, Inc.
    Inventors: Sundeep Dugar, Sarvajit Chakravarty, Aurelia Conte, Jonathan Axon, Glenn McEnroe, Alison Murphy
  • Patent number: 7220763
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds comprising a phenyl or thienyl coupled through a piperidine or piperazine nucleus to an indole residue wherein the indole residue mandatorily has a substituent on the ring nitrogen which is an amino or substituted amino group.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: May 22, 2007
    Assignee: Scios, Inc.
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, Qing Lu, Gregory R. Luedtke, Babu J. Mavunkel, John J. Perumattam, Richland W. Tester
  • Patent number: 7214679
    Abstract: Compounds of the formula: wherein the substituents are as defined herein are useful for treating conditions mediated by p38 kinase.
    Type: Grant
    Filed: January 13, 2004
    Date of Patent: May 8, 2007
    Assignee: Scios, Inc.
    Inventors: Babu J. Mavunkel, Sundeep Dugar, Gregory R. Luedtke, Xuefei Tan, Glen McEnroe
  • Publication number: 20070066833
    Abstract: The invention provides improved methods for the synthesis of indoles, especially useful for making indoles having an ester or amide group at C-5. The methods involve cyclization of a protected ortho-acetylene-substituted aniline derivative to produce an indole.
    Type: Application
    Filed: August 21, 2006
    Publication date: March 22, 2007
    Applicant: Scios, Inc.
    Inventors: Sundeep Dugar, Peter Giannousis
  • Patent number: 7189726
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds which contain an aromatic residue coupled to an benzofuran moiety through a piperidine.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: March 13, 2007
    Assignee: Scios, Inc.
    Inventors: Babu J. Mavunkel, Sarvajit Chakravarty, John J. Perumattam, Sundeep Dugar, Qing Lu, Xi Liang
  • Publication number: 20070032506
    Abstract: The present invention relates to novel crystalline forms of (2R-trans)-6-chloro-5-[[4-[(4-fluorophenyl)methyl]-2,5-dimethyl-1-piperazinyl]carbonyl]-N,N, 1-trimethyl-alpha-oxo-1H-indole-3-acetamide monochloride, methods for their preparation, and pharmaceutical compositions comprising the novel pseudopolymorphs.
    Type: Application
    Filed: June 29, 2006
    Publication date: February 8, 2007
    Inventors: Peter Giannousis, Kathleen Lee, Sundeep Dugar
  • Patent number: 7119199
    Abstract: The present invention is directed to a method for producing a pyridopyrimidone of the formula wherein X is N or CH and R is an aryl, heteroaryl or alkyl group, said method comprising the step of reacting an acid derivative of the formula: wherein X is N or CH; Y is an appropriate leaving group; Z is a halogen, OR1, NHR1, or SR1; and R1 is a lower alkyl; and the amidine derivative is wherein R is an aryl, heteroaryl or alkyl group.
    Type: Grant
    Filed: December 31, 2004
    Date of Patent: October 10, 2006
    Assignee: Scios INC
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, Richland Tester, Aurelia Conte